Month	Dollars
1957-02-01	26800000
1957-03-01	25000000
1957-04-01	42100000
1957-05-01	33200000
1957-06-01	19300000
1957-07-01	18600000
1957-08-01	20700000
1957-09-01	23200000
1957-10-01	17500000
1957-11-01	35000000
1957-12-01	45400000
1958-01-01	36800000
1958-02-01	23900000
1958-03-01	20700000
1958-04-01	22100000
1958-05-01	17500000
1958-06-01	10700000
1958-07-01	13600000
1958-08-01	7100000
1958-09-01	17900000
1958-10-01	18200000
1958-11-01	23200000
1958-12-01	35400000
1959-01-01	27500000
1959-02-01	32900000
1959-03-01	42900000
1959-04-01	23200000
1959-05-01	34300000
1959-06-01	23900000
1959-07-01	16400000
1959-08-01	13900000
1959-09-01	19300000
1959-10-01	22900000
1959-11-01	34600000
1959-12-01	62100000
1960-01-01	48200000
1960-02-01	30400000
1960-03-01	20000000
1960-04-01	24600000
1960-05-01	17500000
1960-06-01	16800000
1960-07-01	13200000
1960-08-01	20700000
1960-09-01	24100000
1960-10-01	32000000
1960-11-01	34900000
1960-12-01	41800000
1961-01-01	37100000
1961-02-01	26700000
1961-03-01	18000000
1961-04-01	20900000
1961-05-01	20400000
1961-06-01	16900000
1961-07-01	13600000
1961-08-01	12800000
1961-09-01	33800000
1961-10-01	29600000
1961-11-01	57600000
1961-12-01	59600000
1962-01-01	42900000
1962-02-01	29100000
1962-03-01	23800000
1962-04-01	16600000
1962-05-01	33400000
1962-06-01	18900000
1962-07-01	19000000
1962-08-01	17700000
1962-09-01	32300000
1962-10-01	47600000
1962-11-01	48000000
1962-12-01	52000000
1963-01-01	40900000
1963-02-01	42000000
1963-03-01	41700000
1963-04-01	20000000
1963-05-01	14900000
1963-06-01	14900000
1963-07-01	15800000
1963-08-01	14800000
1963-09-01	31200000
1963-10-01	42900000
1963-11-01	40200000
1963-12-01	48700000
1964-01-01	34400000
1964-02-01	26600000
1964-03-01	37300000
1964-04-01	27200000
1964-05-01	20800000
1964-06-01	22100000
1964-07-01	12400000
1964-08-01	12400000
1964-09-01	34800000
1964-10-01	50100000
1964-11-01	55300000
1964-12-01	77200000
1965-01-01	34700000
1965-02-01	31800000
1965-03-01	40300000
1965-04-01	41000000
1965-05-01	32300000
1965-06-01	27200000
1965-07-01	24200000
1965-08-01	24700000
1965-09-01	39700000
1965-10-01	34200000
1965-11-01	54600000
1965-12-01	79000000
1966-01-01	52000000
1966-02-01	50300000
1966-03-01	42700000
1966-04-01	34700000
1966-05-01	25100000
1966-06-01	22700000
1966-07-01	15200000
1966-08-01	25600000
1966-09-01	35200000
1966-10-01	55100000
1966-11-01	52100000
1966-12-01	80000000
1967-01-01	51200000
1967-02-01	42900000
1967-03-01	41100000
1967-04-01	43900000
1967-05-01	28300000
1967-06-01	22700000
1967-07-01	20800000
1967-08-01	24300000
1967-09-01	38100000
1967-10-01	56700000
1967-11-01	75200000
1967-12-01	77100000
1968-01-01	55900000
1968-02-01	61500000
1968-03-01	39600000
1968-04-01	35200000
1968-05-01	19700000
1968-06-01	19900000
1968-07-01	17700000
1968-08-01	18900000
1968-09-01	37600000
1968-10-01	62300000
1968-11-01	70900000
1968-12-01	57300000
1969-01-01	49600000
1969-02-01	43000000
1969-03-01	33500000
1969-04-01	46200000
1969-05-01	39200000
1969-06-01	33400000
1969-07-01	22800000
1969-08-01	32300000
1969-09-01	48900000
1969-10-01	63800000
1969-11-01	60900000
1969-12-01	63200000
1970-01-01	56600000
1970-02-01	46400000
1970-03-01	52800000
1970-04-01	47700000
1970-05-01	33300000
1970-06-01	32500000
1970-07-01	24100000
1970-08-01	28300000
1970-09-01	46200000
1970-10-01	61900000
1970-11-01	72000000
1970-12-01	77400000
1971-01-01	60800000
1971-02-01	60700000
1971-03-01	58170000
1971-04-01	38130000
1971-05-01	31600000
1971-06-01	31600000
1971-07-01	27600000
1971-08-01	38900000
1971-09-01	48900000
1971-10-01	56700000
1971-11-01	89700000
1971-12-01	133800000
1972-01-01	98600000
1972-02-01	96100000
1972-03-01	73600000
1972-04-01	52230000
1972-05-01	56580000
1972-06-01	56260000
1972-07-01	41500000
1972-08-01	39200000
1972-09-01	71600000
1972-10-01	78600000
1972-11-01	91340000
1972-12-01	131020000
1973-01-01	102500000
1973-02-01	100360000
1973-03-01	109510000
1973-04-01	113900000
1973-05-01	99700000
1973-06-01	96300000
1973-07-01	80800000
1973-08-01	88500000
1973-09-01	105830000
1973-10-01	146500000
1973-11-01	113260000
1973-12-01	161060000
1974-01-01	156580000
1974-02-01	154650000
1974-03-01	195440000
1974-04-01	149560000
1974-05-01	127630000
1974-06-01	99300000
1974-07-01	70750000
1974-08-01	86350000
1974-09-01	108910000
1974-10-01	98530000
1974-11-01	123280000
1974-12-01	162170000
1975-01-01	112470000
1975-02-01	124170000
1975-03-01	118500000
1975-04-01	101530000
1975-05-01	76800000
1975-06-01	104400000
1975-07-01	99830000
1975-08-01	120400000
1975-09-01	134500000
1975-10-01	105600000
1975-11-01	133400000
1975-12-01	169500000
1976-01-01	302800000
1976-02-01	223840000
1976-03-01	254700000
1976-04-01	153600000
1976-05-01	115120000
1976-06-01	114860000
1976-07-01	123400000
1976-08-01	90700000
1976-09-01	122840000
1976-10-01	106980000
1976-11-01	142000000
1976-12-01	209400000
1977-01-01	180230000
1977-02-01	155510000
1977-03-01	156200000
1977-04-01	151110000
1977-05-01	115310000
1977-06-01	125290000
1977-07-01	103040000
1977-08-01	106840000
1977-09-01	98170000
1977-10-01	135170000
1977-11-01	160210000
1977-12-01	265940000
1978-01-01	151160000
1978-02-01	169920000
1978-03-01	159060000
1978-04-01	182740000
1978-05-01	138700000
1978-06-01	162100000
1978-07-01	143370000
1978-08-01	166950000
1978-09-01	161410000
1978-10-01	212740000
1978-11-01	258780000
1978-12-01	381230000
1979-01-01	216180000
1979-02-01	249270000
1979-03-01	196220000
1979-04-01	187380000
1979-05-01	162460000
1979-06-01	167220000
1979-07-01	146350000
1979-08-01	162000000
1979-09-01	168430000
1979-10-01	174670000
1979-11-01	212780000
1979-12-01	218240000
1980-01-01	236270000
1980-02-01	244160000
1980-03-01	233580000
1980-04-01	219030000
1980-05-01	196510000
1980-06-01	169290000
1980-07-01	167140000
1980-08-01	179980000
1980-09-01	219820000
1980-10-01	260700000
1980-11-01	326470000
1980-12-01	457170000
1981-01-01	410640000
1981-02-01	306580000
1981-03-01	304180000
1981-04-01	316080000
1981-05-01	294350000
1981-06-01	325350000
1981-07-01	315760000
1981-08-01	335810000
1981-09-01	399980000
1981-10-01	486640000
1981-11-01	552260000
1981-12-01	665300000
1982-01-01	446110000
1982-02-01	410150000
1982-03-01	447270000
1982-04-01	402130000
1982-05-01	414470000
1982-06-01	419610000
1982-07-01	412680000
1982-08-01	408360000
1982-09-01	456420000
1982-10-01	560030000
1982-11-01	604730000
1982-12-01	764030000
1983-01-01	478150000
1983-02-01	403410000
1983-03-01	476000000
1983-04-01	483530000
1983-05-01	425000000
1983-06-01	406880000
1983-07-01	351810000
1983-08-01	422500000
1983-09-01	459760000
1983-10-01	566180000
1983-11-01	579670000
1983-12-01	674040000
1984-01-01	541260000
1984-02-01	601000000
1984-03-01	713340000
1984-04-01	612290000
1984-05-01	540510000
1984-06-01	521000000
1984-07-01	437180000
1984-08-01	580700000
1984-09-01	524600000
1984-10-01	639900000
1984-11-01	652400000
1984-12-01	769500000
1985-01-01	668100000
1985-02-01	495400000
1985-03-01	616900000
1985-04-01	570000000
1985-05-01	684900000
1985-06-01	604600000
1985-07-01	626800000
1985-08-01	767000000
1985-09-01	694000000
1985-10-01	730000000
1985-11-01	689600000
1985-12-01	809600000
1986-01-01	626300000
1986-02-01	625300000
1986-03-01	626800000
1986-04-01	582300000
1986-05-01	626800000
1986-06-01	479200000
1986-07-01	567500000
1986-08-01	521600000
1986-09-01	570400000
1986-10-01	683000000
1986-11-01	682900000
1986-12-01	864800000
1987-01-01	658400000
1987-02-01	625000000
1987-03-01	705200000
1987-04-01	699900000
1987-05-01	814700000
1987-06-01	729200000
1987-07-01	646700000
1987-08-01	804800000
1987-09-01	1184500000
1987-10-01	1014600000
1987-11-01	1102900000
1987-12-01	1204100000
1988-01-01	905000000
1988-02-01	944900000
1988-03-01	952500000
1988-04-01	1088000000
1988-05-01	825100000
1988-06-01	891800000
1988-07-01	773000000
1988-08-01	812800000
1988-09-01	1006000000
1988-10-01	962100000
1988-11-01	1080000000
1988-12-01	1500000000
1989-01-01	771600000
1989-02-01	946900000
1989-03-01	1085000000
1989-04-01	977000000
1989-05-01	700000000
1989-06-01	895900000
1989-07-01	749000000
1989-08-01	823000000
1989-09-01	996000000
1989-10-01	1101000000
1989-11-01	1200000000
1989-12-01	1378900000
1990-01-01	1024900000
1990-02-01	987700000
1990-03-01	981700000
1990-04-01	872200000
1990-05-01	920500000
1990-06-01	952800000
1990-07-01	781900000
1990-08-01	985200000
1990-09-01	1091600000
1990-10-01	1309800000
1990-11-01	1388000000
1990-12-01	1663000000
1991-01-01	1068100000
1991-02-01	1041300000
1991-03-01	1269200000
1991-04-01	883700000
1991-05-01	1058600000
1991-06-01	962700000
1991-07-01	989400000
1991-08-01	1067900000
1991-09-01	1151500000
1991-10-01	1325100000
1991-11-01	1332000000
1991-12-01	1445000000
1992-01-01	1222900000
1992-02-01	1081100000
1992-03-01	1246000000
1992-04-01	1057900000
1992-05-01	1247400000
1992-06-01	998100000
1992-07-01	1215700000
1992-08-01	1206500000
1992-09-01	1279100000
1992-10-01	1412000000
1992-11-01	1247000000
1992-12-01	1501900000
1993-01-01	1273900000
1993-02-01	1168500000
1993-03-01	1231300000
1993-04-01	1257000000
1993-05-01	1338000000
1993-06-01	881000000
1993-07-01	1182000000
1993-08-01	1121000000
1993-09-01	1259000000
1993-10-01	1417000000
1993-11-01	1291000000
1993-12-01	1923000000
1994-01-01	1312700000
1994-02-01	1193500000
1994-03-01	1320100000
1994-04-01	1232797000
1994-05-01	1220000000
1994-06-01	1379000000
1994-07-01	1578000000
1994-08-01	1517000000
1994-09-01	1720000000
1994-10-01	1670000000
1994-11-01	1658000000
1994-12-01	2305000000
1995-01-01	1549700000
1995-02-01	1550700000
1995-03-01	1656300000
1995-04-01	1862900000
1995-05-01	1503700000
1995-06-01	1797000000
1995-07-01	1790000000
1995-08-01	1748000000
1995-09-01	1750000000
1995-10-01	1936000000
1995-11-01	2059000000
1995-12-01	2396000000
1996-01-01	1752000000
1996-02-01	1780000000
1996-03-01	2009000000
1996-04-01	1828000000
1996-05-01	1643000000
1996-06-01	1747000000
1996-07-01	1915000000
1996-08-01	1942000000
1996-09-01	1897000000
1996-10-01	2102000000
1996-11-01	2230000000
1996-12-01	2400000000
1997-01-01	2044000000
1997-02-01	1857000000
1997-03-01	2176000000
1997-04-01	2026000000
1997-05-01	2191000000
1997-06-01	2132000000
1997-07-01	2150000000
1997-08-01	2138000000
1997-09-01	2224000000
1997-10-01	2390000000
1997-11-01	2523000000
1997-12-01	2409000000
1998-01-01	2194000000
1998-02-01	2064000000
1998-03-01	2477000000
1998-04-01	1917000000
1998-05-01	2418000000
1998-06-01	2262000000
1998-07-01	2209000000
1998-08-01	2237000000
1998-09-01	2208000000
1998-10-01	2495000000
1998-11-01	2253000000
1998-12-01	2147000000
1999-01-01	1883000000
1999-02-01	2194000000
1999-03-01	2402000000
1999-04-01	1953000000
1999-05-01	2226000000
1999-06-01	2122000000
1999-07-01	2255000000
1999-08-01	1940000000
1999-09-01	2274000000
1999-10-01	2659000000
1999-11-01	2448000000
1999-12-01	2231000000
2000-01-01	2123098000
2000-02-01	2263418100
2000-03-01	2316917100
2000-04-01	2438601100
2000-05-01	2338186700
2000-06-01	2325800700
2000-07-01	2288328400
2000-08-01	2044083400
2000-09-01	2403298100
2000-10-01	2244783900
2000-11-01	2499363500
2000-12-01	2489026900
2001-01-01	2236402100
2001-02-01	2515771900
2001-03-01	2546102400
2001-04-01	2616050400
2001-05-01	2884680500
2001-06-01	2561640400
2001-07-01	2483786600
2001-08-01	2579467100
2001-09-01	2595734900
2001-10-01	2812545600
2001-11-01	2841732300
2001-12-01	2660302000
2002-01-01	2607319700
2002-02-01	2383773000
2002-03-01	2918943500
2002-04-01	2742857900
2002-05-01	3000325200
2002-06-01	2770693900
2002-07-01	3103851900
2002-08-01	2975889000
2002-09-01	3218206900
2002-10-01	3501128000
2002-11-01	3593604900
2002-12-01	3242495200
2003-01-01	3533705600
2003-02-01	2923460400
2003-03-01	3908256000
2003-04-01	3662183400
2003-05-01	3860471300
2003-06-01	3796113500
2003-07-01	4236114300
2003-08-01	3828726200
2003-09-01	4114677500
2003-10-01	4824388300
2003-11-01	3969697500
2003-12-01	4595042400
2004-01-01	4619660800
2004-02-01	3664503000
2004-03-01	5218042200
2004-04-01	5072463000
2004-05-01	5170061600
2004-06-01	5284383300
2004-07-01	5632138800
2004-08-01	4707491300
2004-09-01	5656283500
2004-10-01	5867342100
2004-11-01	5733909000
2004-12-01	6540874200
2005-01-01	4997279700
2005-02-01	5651741300
2005-03-01	6591859200
2005-04-01	6128131900
2005-05-01	5977226200
2005-06-01	6038534400
2005-07-01	5763466400
2005-08-01	5552867200
2005-09-01	6814268900
2005-10-01	6772178600
2005-11-01	5942575800
2005-12-01	7246278600
2006-01-01	5133048900
2006-02-01	6058251300
2006-03-01	7411101700
2006-04-01	6456090300
2006-05-01	7041543200
2006-06-01	7815434600
2006-07-01	7067411500
2006-08-01	6811202400
2006-09-01	7606551100
2006-10-01	6888812500
2006-11-01	8641474600
2006-12-01	8603753500
2007-01-01	6564559800
2007-02-01	7656951600
2007-03-01	8957851600
2007-04-01	8313312000
2007-05-01	9147620000
2007-06-01	8980247400
2007-07-01	8937741600
2007-08-01	8736689100
2007-09-01	9038743900
2007-10-01	9895216600
2007-11-01	11318798200
2007-12-01	9724018000
2008-01-01	10632207000
2008-02-01	11077899100
2008-03-01	11428587200
2008-04-01	11363963500
2008-05-01	12477968700
2008-06-01	11770634400
2008-07-01	12595426900
2008-08-01	11046830100
2008-09-01	12793148000
2008-10-01	9722708800
2008-11-01	9395872900
2008-12-01	7721949000
2009-01-01	7884493500
2009-02-01	8435115800
2009-03-01	8155485100
2009-04-01	7561696300
2009-05-01	7346407500
2009-06-01	8329692800
2009-07-01	9055733700
2009-08-01	7839908800
2009-09-01	8480708400
2009-10-01	10095768000
2009-11-01	8903010800
2009-12-01	10054591900
2010-01-01	7838622500
2010-02-01	8261944100
2010-03-01	9916431600
2010-04-01	9435977400
2010-05-01	9808481100
2010-06-01	9561120700
2010-07-01	9481041500
2010-08-01	8541613500
2010-09-01	8936489300
2010-10-01	10992512600
2010-11-01	9392732300
2010-12-01	11854759800
2011-01-01	9565405800
2011-02-01	10078581200
2011-03-01	11853736900
2011-04-01	11916522800
2011-05-01	10963989100
2011-06-01	11380993700
2011-07-01	11889388400
2011-08-01	11251778900
2011-09-01	10805496600
2011-10-01	11954684700
2011-11-01	11130848900
2011-12-01	12496370500
2012-01-01	10384850000
2012-02-01	11791699100
2012-03-01	13233338000
2012-04-01	12666610100
2012-05-01	13150475900
2012-06-01	13252762900
2012-07-01	12862248800
2012-08-01	12856686400
2012-09-01	12993452200
2012-10-01	13227587000
2012-11-01	13853196800
2012-12-01	12631785300
2013-01-01	11508877700
2013-02-01	12416063800
2013-03-01	13135046200
2013-04-01	12480137400
2013-05-01	13307766900
2013-06-01	12418305400
2013-07-01	13064305300
2013-08-01	11154524000
2013-09-01	13068592000
2013-10-01	12086337600
2013-11-01	14206171800
2013-12-01	13190604000
2014-01-01	12438484600
2014-02-01	13046729000
2014-03-01	14701170300
2014-04-01	13382057200
2014-05-01	13687298200
2014-06-01	12905020700
2014-07-01	13373927500
2014-08-01	11403114500
2014-09-01	13581093600
2014-10-01	12892394300
2014-11-01	13084712000
2014-12-01	13274086400
2015-01-01	12329601800
2015-02-01	12241273800
2015-03-01	12511900300
2015-04-01	13355014500
2015-05-01	11109732000
2015-06-01	11972153900
2015-07-01	11161699200
2015-08-01	11047327600
2015-09-01	11578528500
2015-10-01	13288125700
2015-11-01	11687381700
2015-12-01	11758151800
2016-01-01	9597950600
2016-02-01	12384326300
2016-03-01	12788817100
2016-04-01	11966408200
2016-05-01	12118240400
2016-06-01	12856907100
2016-07-01	9904121600
2016-08-01	11846112900
2016-09-01	10907799300
2016-10-01	12818694800
2016-11-01	12729464700
2016-12-01	12776666200
2017-01-01	11291423500
2017-02-01	12107716600
2017-03-01	14476803700
2017-04-01	12863998700
2017-05-01	13576398700
2017-06-01	13136546400
2017-07-01	12630931400
2017-08-01	13260522500
2017-09-01	11864639300
2017-10-01	13912736100
2017-11-01	14196326300
2017-12-01	13859424900
2018-01-01	12465375600
2018-02-01	13172778400
2018-03-01	15596643800